extern "C" void EINT3_IRQHandler(void)
{
uint8_t flags;
//LPC_GPIO1->FIOPIN ^= 1<<31;
LPC_GPIOINT->IO2IntClr |= (1 << 4); // Clear mbed interrupt flag
flags = mrf_read_short(INTSTAT); // Read radio interrupt flags
if(flags & 0x01) {
tx_status_ready = 1;
}
if(flags & 0x08) {
//nrk_led_toggle(GREEN_LED);
rf_parse_rx_packet();
rfSettings.pRxInfo = rf_rx_callback(rfSettings.pRxInfo);
}
}
uint8_t polling_TBR( uint16_t time_to_wait, uint8_t condition)
{
//Check if the waiting time is not extended too much by interrupts
if (time_to_wait > tools_TBR_vote())
{
if ( (time_to_wait - tools_TBR_vote()) > 500)
{
return TOO_LATE;
}
}
else
{
if ((time_to_wait + (TBCCR0 - tools_TBR_vote()) ) > 500)
{
return TOO_LATE;
}
}
switch(condition)
{
case PULL_24_RX_BUF:
case NO_CONDITION:
// if TBR and time_to_wait are not on the same slope of the timer, TBR has to count till TBCCR0.
if (tools_TBR_vote() > time_to_wait)
{
while (tools_TBR_vote() > time_to_wait)
{
if((tools_TBR_vote() > time_to_wait) && (tools_TBR_vote() - time_to_wait > 500))
{clock_pause_us(10);}
else // An interrupt has occured during polling. Transmission time has passed!
{
if ((tools_TBR_vote() > time_to_wait) && ( tools_TBR_vote() - time_to_wait < 7))
{/* it is almost on the date time */ return DELAYED_TX;}
else
{return TOO_LATE;}
}
}
if (condition == PULL_24_RX_BUF) {if(rf_rx_callback(0)==pdTRUE){/* debug("msg\r\n"); */};}
}
while (tools_TBR_vote() < time_to_wait)
{
if (tools_TBR_vote() < time_to_wait )
{
if (time_to_wait - tools_TBR_vote() < 500)
{clock_pause_us(10);}
else // An interrupt has passed TBR from TBCCR0
{return TOO_LATE;}
}
else // An interrupt has occured during the polling. Transmission time has passed!
{
if ( tools_TBR_vote() - time_to_wait < 7)
{return DELAYED_TX;}
else
{return TOO_LATE;}
}
if (condition == PULL_24_RX_BUF) {if(rf_rx_callback(0)==pdTRUE){/* debug("msg\r\n"); */};}
}
break;
default:
break;
}
return POLL_OK;
}